Refrigeration & Air-Conditioning Practice Set-3

May 18, 2021

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1. The refrigerant after condensation process is cooled below the saturation temperature before throttling. Such a process is called

2. Cooling water is required for following equipment in ammonia absorption plant

3. In a refrigeration system, heat absorbed in comparison to heat rejected is

4. The freezing point of sulphur dioxide is

5. The C.O.P. of a refrigerator working on a reversed Carnot cycle is (where T₁ = Lowest absolute temperature, and T₂ = Highest absolute temperature)

6. In a refrigeration system, the expansion device is connected between the

7. The minimum temperature to which water can be cooled in a cooling tower is

8. The domestic refrigerator uses following type of compressor

9. For obtaining high COP, the pressure range of compressor should be

10. The boiling point of ammonia is


 

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